Erbijsommen tot 20
Erbijsommen
|
1.
20 + 0 =
7
20
|
2.
12 + 4 =
11
16
|
3.
6 + 2 =
8
13
|
4.
15 + 0 =
15
2
|
|
5.
4 + 3 =
7
8
|
6.
20 + 0 =
20
6
|
7.
4 + 11 =
15
7
|
8.
2 + 12 =
14
2
|
|
9.
17 + 0 =
17
7
|
10.
1 + 17 =
12
18
|
11.
15 + 5 =
20
6
|
12.
1 + 1 =
2
1
|
|
13.
11 + 8 =
19
6
|
14.
14 + 4 =
3
18
|
15.
14 + 4 =
3
18
|
16.
17 + 2 =
19
5
|
|
17.
20 + 0 =
9
20
|
18.
12 + 8 =
10
20
|
19.
5 + 9 =
13
14
|
20.
10 + 5 =
15
3
|